US 11,891,578 B2
Process and system for catalytic cracking of hydrocarbon oils
Jianhong Gong, Beijing (CN); Zhigang Zhang, Beijing (CN); and Xiaoli Wei, Beijing (CN)
Assigned to CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN); and RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC, Beijing (CN)
Appl. No. 17/261,496
Filed by CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN); and RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC, Beijing (CN)
PCT Filed Jul. 15, 2019, PCT No. PCT/CN2019/095950
§ 371(c)(1), (2) Date Jan. 19, 2021,
PCT Pub. No. WO2020/015602, PCT Pub. Date Jan. 23, 2020.
Claims priority of application No. 201810779819.0 (CN), filed on Jul. 16, 2018.
Prior Publication US 2021/0317373 A1, Oct. 14, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. C10G 11/00 (2006.01); C10G 11/18 (2006.01); B01J 8/22 (2006.01); C10G 51/02 (2006.01)
CPC C10G 11/187 (2013.01) [B01J 8/228 (2013.01); C10G 11/182 (2013.01); C10G 51/026 (2013.01); B01J 2208/00796 (2013.01); C10G 2300/107 (2013.01); C10G 2300/1077 (2013.01); C10G 2300/205 (2013.01); C10G 2300/308 (2013.01); C10G 2300/4006 (2013.01); C10G 2300/4012 (2013.01); C10G 2300/4018 (2013.01); C10G 2300/4081 (2013.01); C10G 2300/701 (2013.01); C10G 2300/802 (2013.01); C10G 2400/02 (2013.01); C10G 2400/04 (2013.01); C10G 2400/20 (2013.01); C10G 2400/28 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A process for catalytic cracking of hydrocarbon oils, comprising the step of contacting a hydrocarbon oil feedstock with a catalytic cracking catalyst for reaction in a reactor comprising a dilute-phase transport fluidized bed and a fast fluidized bed connected in series, wherein the fast fluidized bed comprises a full dense-phase reaction zone that has an axial solid fraction ε of the catalyst within a range of about 0.1 to about 0.2 from bottom to top.